Alchemy pitch bend setting isn't working

The setting for pitch bend is +/-2 (as shown in the attachment). But it's moving at least 3 full octaves in either direction over the full range of the control wheel. The only other control I can find is enabling or disabling pitch bend for each individual voice. What am I missing?

Posted on Mar 25, 2025 12:04 PM

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12 replies

Mar 25, 2025 02:43 PM in response to Jesilv

I just tested out and it worked out well. Alchemy was following the exact semitones. Have you updated to the latest version of Logic Pro?


Does this happen on other virtual instruments like Retrosynth? Just wondering if it’s a software or hardware controller issue?


Try an initialized setting with Alchemy and see if you have better luck with just a simple sine or square wave on the Oscillator.


-ThatLogicProGuy

Mar 26, 2025 12:07 PM in response to EddieGrey

Still happening even with the preset initialized and with just a sine wave. There must be something else buried in here that’s letting the pitch bend cover 4 octaves in either direction.


I’ve managed to work around the spots I was planning to use pitch bend on this current track, but is there a way to reload Alchemy later. Since you said Harmonic Scream Synth worked normally for you, figure that’s my only option for getting things back to their default settings.

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Alchemy pitch bend setting isn't working

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